* {
    margin: 0;
    padding: 0;
    border: 0;
    list-style: none;
}

body {
    width: 100%;
}

.navbar-style {
    width: 100%;
    padding: 0 50px;
    height: 80px;
}

main {
    margin-top: 80px;
    margin-bottom: 55px;
    width: 100%;
    min-width: 1260px;
    padding: 0 50px;
    overflow: hidden;
}

.content {
    width: 90%;
    margin: 5px auto;
    background-color: #fff;
    border-bottom: 1px solid #ccc;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 10px 20px;
}

footer {
    position: fixed;
    height: 50px;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #4e4e4e;
    text-align: center;
    padding: 10px;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.1);
    color: white;
}

.logout-btn{
    margin-left: 50px;
}

.content h4{
    height: 50px;
    line-height: 50px;
    color: #333;
    font-weight: bold;
    margin: 20px 0;
    border-bottom: 1px solid #ccc;
}

.total-num{
    display: inline-block;
    width: 25px;
    height: 25px;
    line-height: 25px;
    text-align: center;
    color: #fff;
    background-color: tomato;
    margin: 10px;
    font-size: 16px;
}